supply of digital voice recorder. , digital voice recorder make-sony model-sony icd px 470 sony voice recorder icd-ux560f o r similar with built-in usb, recording system-omni-directional, internal storage capacity (memory size) 12 8 gigabyte, recording rate / sample rate (kbps)128, recording modes- continuous and voice activation (u ser selectable), battery type-rechargeable, built-in playback facility ,display; adjustable microphone sensi tivity ,built-in speaker ,built-in headphone jack ,built-in microphone input jack. (technical specification atta ched.) [ warranty period: 36 months after the date of delivery ] ]